/*默认的css*/
html,body,div,span,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,address,big,cite,code,del,em,font,img,ins,small,strong,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend{margin:0;padding:0;}
body{font-family:微软雅黑,黑体;font-size:14px;color:#707070;}
ol,ul,li{list-style:none outside none;}
a{text-decoration:none;color:inherit;}
img{border:none;vertical-align:middle;}
table{border-collapse:collapse;}
tr,td,th{padding:0;margin:0;}
h1,h2,h3,h4,h5,h6{font-weight:normal;color:#474747;line-height:100%;}
h1 a,h2 a,h3 a,h4 a,h5 a,h6 a{color:inherit;}
i,em,b,strong{font-style:normal;font-weight:normal;}
input,textarea,select{padding:0;border:1px solid #CCC;font-family:inherit;outline:none;}

.left{float:left;}
.right{float:right;}

.mg_t10 {margin-top: 10px;}
.mg_t15 {margin-top: 15px;}
.mg_t20 {margin-top: 20px;}
.mg_t25 {margin-top: 25px;}
.mg_t30 {margin-top: 30px;}
.mg_t40 {margin-top: 40px;}
.mg_t50 {margin-top: 50px;}

.mg_b10 {margin-bottom: 10px;}
.mg_b20 {margin-bottom: 20px;}
.mg_b30 {margin-bottom: 30px;}
.mg_b40 {margin-bottom: 40px;}
.mg_b50 {margin-bottom: 50px;}

.mg_l10 {margin-left: 10px;}
.mg_l15 {margin-left: 15px;}
.mg_l20 {margin-left: 20px;}

.mg_r10 {margin-right: 10px;}
.mg_r15 {margin-right: 15px;}
.mg_r20 {margin-right: 20px;}

.mg_0auto {
    margin: 0 auto;
}
.mg_10auto {
    margin: 10 auto;
}
.mg_20auto {
    margin: 20 auto;
}

.mg_020  {
    margin: 0 20px
}

.mg_auto10 {
    margin: 0 auto 10;
}
.mg_auto20 {
    margin: 0 auto 20;
}

.t_center {
    text-align: center;
}
.t_left {
    text-align: left;
}

.f_size12 {
    font-size: 12px;
} 
.f_size14 {
    font-size: 14px;
} 
.f_size16 {
    font-size: 16px;
} 
.f_size18 {
    font-size: 18px;
}

.d_block {
    display: block;
} 
.d_none {
    display: none;
}

.color_white {
    color: #ffffff;
}
.color_c {
    color: #ccc;
}
.color_3 {
    color: #333;
}

.width30 {
    width: 30px;
}

.width350 {
    width: 350px;
}